Tiger iron is a mineral mixture with varying proportions of....
Metallic black magnetite/hematite - reddish-brown jasper and shiny golden tiger's eye.
Layer-by-layer build-up of banded ores (magnetite and hematite), which erupted from volcanoes approx. 2.3 - 2.1 billion years ago and were deposited in deep-sea trenches, with microcrystalline quartz (JASPIS).
KROKYDOLITH (hawk's eye) first formed in the cavities and later the shiny golden tiger's eye was formed by the incorporation of LIMONITE.
Bandet Iron Mine - Transvaal Supergroup Formation
Northern Cape Province - SOUTH AFRICA
Weight: 1.5 kilograms Dimensions: 13 x 9 x 7 cm
One side unpolished cut surface .